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Novacyt Exsig Direct, Exsig Mag Extraction Kits; COVID-HT Test

Novacyt has launched two new extraction kits  Exsig Direct and Exsig Mag  for COVID-19 testing. The kits can be used with all open PCR instrument platforms. Exsig Direct is a direct-to-PCR extraction kit designed to be used with Novacyt's COVID-19 test. It employs a combination of optimized buffers to extract COVID-19 RNA from clinical samples. Exsig Mag runs on multiple automated magnetic bead extraction systems commonly used by clinical laboratories and has been developed to enhance extraction of COVID-19 RNA from clinical samples. Exsig Mag can be used with Novacyt's COVID-19 test or in combination with other COVID-19 PCR tests.

The firm has also launched a CE marked high-throughput SARS-CoV-2 PCR tests called COVID-HT.

The Scan

Study Links Evolution of Longevity, Social Organization in Mammals

With the help of comparative phylogenetics and transcriptomics, researchers in Nature Communications see ties between lifespan and social organization in mammals.

Tumor Microenvironment Immune Score Provides Immunotherapy Response, Prognostic Insights

Using multiple in situ analyses and RNA sequence data, researchers in eBioMedicine have developed a score associated with immunotherapy response or survival.

CRISPR-Based Method for Finding Cancer-Associated Exosomal MicroRNAs in Blood

A team from China presents in ACS Sensors a liposome-mediated membrane fusion strategy for detecting miRNAs carried in exosomes in the blood with a CRISPR-mediated reporter system.

Drug Response Variants May Be Distinct in Somatic, Germline Samples

Based on variants from across 21 drug response genes, researchers in The Pharmacogenomics Journal suspect that tumor-only DNA sequences may miss drug response clues found in the germline.